373
374 inline HeapWord*
375 ParMarkBitMap::find_obj_end(HeapWord* beg, HeapWord* end) const
376 {
377 const idx_t beg_bit = addr_to_bit(beg);
378 const idx_t end_bit = addr_to_bit(end);
379 const idx_t search_end = BitMap::word_align_up(end_bit);
380 const idx_t res_bit = MIN2(find_obj_end(beg_bit, search_end), end_bit);
381 return bit_to_addr(res_bit);
382 }
383
384 #ifdef ASSERT
385 inline void ParMarkBitMap::verify_bit(idx_t bit) const {
386 // Allow one past the last valid bit; useful for loop bounds.
387 assert(bit <= _beg_bits.size(), "bit out of range");
388 }
389
390 inline void ParMarkBitMap::verify_addr(HeapWord* addr) const {
391 // Allow one past the last valid address; useful for loop bounds.
392 assert(addr >= region_start(),
393 err_msg("addr too small, addr: " PTR_FORMAT " region start: " PTR_FORMAT, p2i(addr), p2i(region_start())));
394 assert(addr <= region_end(),
395 err_msg("addr too big, addr: " PTR_FORMAT " region end: " PTR_FORMAT, p2i(addr), p2i(region_end())));
396 }
397 #endif // #ifdef ASSERT
398
399 #endif // SHARE_VM_GC_PARALLEL_PARMARKBITMAP_HPP
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373
374 inline HeapWord*
375 ParMarkBitMap::find_obj_end(HeapWord* beg, HeapWord* end) const
376 {
377 const idx_t beg_bit = addr_to_bit(beg);
378 const idx_t end_bit = addr_to_bit(end);
379 const idx_t search_end = BitMap::word_align_up(end_bit);
380 const idx_t res_bit = MIN2(find_obj_end(beg_bit, search_end), end_bit);
381 return bit_to_addr(res_bit);
382 }
383
384 #ifdef ASSERT
385 inline void ParMarkBitMap::verify_bit(idx_t bit) const {
386 // Allow one past the last valid bit; useful for loop bounds.
387 assert(bit <= _beg_bits.size(), "bit out of range");
388 }
389
390 inline void ParMarkBitMap::verify_addr(HeapWord* addr) const {
391 // Allow one past the last valid address; useful for loop bounds.
392 assert(addr >= region_start(),
393 "addr too small, addr: " PTR_FORMAT " region start: " PTR_FORMAT, p2i(addr), p2i(region_start()));
394 assert(addr <= region_end(),
395 "addr too big, addr: " PTR_FORMAT " region end: " PTR_FORMAT, p2i(addr), p2i(region_end()));
396 }
397 #endif // #ifdef ASSERT
398
399 #endif // SHARE_VM_GC_PARALLEL_PARMARKBITMAP_HPP
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